FAG Kugelfischer Georg Schafer KgaA, [Date of publication not identified]
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FAG Kugelfischer Georg Schafer & Co., [Date of publication not identified]
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Nguyen-Schafer, Hung
Springer Nature, 2019
eBooks
Green, Peter
Thames & Hudson, 1989
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Hart, Gary C.
John Wiley & Sons, 1999
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